Modelsby GlyphGPT-5.5 Pro specs, prices, where it runs and its benchmark standing
closed weights · top 10 on 0 of 2 · released Apr 23, 2026
Facts
- Provider
- OpenAI
- Release date
- Apr 23, 2026
- Boards
- Parameters
- Not disclosed by OpenAI
- License
- Proprietary
- Boards
- Weights
- Closed weights
- Benchmarks
- 2 boards captured
| Rank | Board | Score | |||
|---|---|---|---|---|---|
| 12 | Reasoning | 162.7 | 100 | ||
| 13 | Reasoning | 84.6% | 92 |
Versions and release history
4 versions in this line since Oct 6, 2025, from Pricing, OpenRouter and the boards.
| Version | Released | |
|---|---|---|
| GPT-5.5 Prothis model | Apr 23, 20266 months ago | Boards |
| GPT-5.4 Pro | Mar 4, 20268 months ago | Boards |
| GPT-5.2 Pro | Dec 11, 202511 months ago | Boards |
| GPT-5 Pro | Oct 6, 20251 year ago | Boards |